public void method1()
{
var obj1 = new Son();
Father obj2 = new Father();
Father obj3 = new Son();
Father obj4 = new Daughter();
}
public void method1()
{
var obj1 = new Son();
//var d1 = obj1.Field1_Public;
//var d2 = obj1.Field3_Protected;
Father obj2 = new Father();
var d3 = obj2.Field1_Public;
//var d4 = obj2.Field3_Protected;
Father obj3 = new Son();
//var d5 = obj3.Field1_Public;
// var d6 = obj3.Field3_Protected;
// Tree obj4 = new LivingBeing();
}